News

  1. Planetary Science

    Another red spot, by Jove

    Jupiter has developed a second red spot, which is now visible in the predawn sky with a telescope 10 inches or larger.

    By Ron Cowen
  2. Astronomy

    Twin history

    The Milky Way and its nearest large galactic neighbor, Andromeda, are more alike than earlier evidence had indicated.

    By Ron Cowen
  3. Health & Medicine

    Experimental drug targets Alzheimer’s

    A novel drug reverses some Alzheimer's-type symptoms in mice.

    By Nathan Seppa
  4. Humans

    Two-fifths of Amazonian forest is at risk

    The Amazon basin's forest may lose 2.1 million square kilometers by 2050 if current development trends go unabated.